CN117871278B - Test detection device of downhole packer rubber - Google Patents
Test detection device of downhole packer rubber Download PDFInfo
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- CN117871278B CN117871278B CN202410282716.9A CN202410282716A CN117871278B CN 117871278 B CN117871278 B CN 117871278B CN 202410282716 A CN202410282716 A CN 202410282716A CN 117871278 B CN117871278 B CN 117871278B
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims description 45
- 238000012856 packing Methods 0.000 claims description 23
- 238000003860 storage Methods 0.000 claims description 7
- 239000012466 permeate Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
- G01N2203/0652—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors using contrasting ink, painting, staining
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Abstract
The invention discloses a test detection device of an underground packer rubber, which relates to the technical field of test detection devices of rubber, and comprises a bottom plate and further comprises: the sleeve column is fixedly connected to the upper surface of the bottom plate and used for positioning the rubber cylinder body; the pressing device is used for pressing the rubber cylinder body on the bottom plate; the smearing component is arranged on one side of the rubber cylinder body on the bottom plate; according to the invention, after the pressing of the rubber cylinder body is finished, the quality of the rubber cylinder body can be observed by observing the developer overflowed and flowing on the periphery of the rubber cylinder body, so that the device can mark the crack on the surface of the rubber cylinder body according to the quality change of the rubber cylinder body in the pressing test process of the rubber cylinder body by arranging the smearing mechanism, and the peripheral quality of the rubber cylinder body can be conveniently observed after the test.
Description
Technical Field
The invention belongs to the technical field of rubber sleeve test detection devices, and particularly relates to a test detection device for an underground packer rubber sleeve.
Background
Packer means a tool having an elastic sealing element whereby to seal the annular space between various sized strings and the wellbore and between strings and isolate the production zone; the elastic sealing element of the packer is usually a rubber cylinder, and the mechanical property, the pressure-bearing performance and the sealing pressure difference of the rubber cylinder have great guiding significance for the application of the petroleum exploitation site; therefore, the test detection before the well is carried out on the corresponding parameters of the packer rubber cylinder is necessary;
The rubber cylinder is deformed by being pressed down in the use process, the middle part of the rubber cylinder can be expanded outwards, if the quality of the rubber cylinder is defective, the outer wall of the rubber cylinder is cracked when the rubber cylinder is pressed down in the use process, so that the sealing effect of the rubber cylinder is reduced, the traditional detection method of the rubber cylinder can omit the detection of the quality of the outer wall of the rubber cylinder, or the produced cracks are difficult to mark when the quality of the outer wall of the rubber cylinder is detected, and the quality of the outer wall of the rubber cylinder is difficult to observe after the test, so that the test detection device of the rubber cylinder of the downhole packer is provided.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a test detection device of an underground packer rubber barrel, which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that: the utility model provides a test detection device of packer packing element in pit, includes the bottom plate, still includes: the sleeve column is fixedly connected to the upper surface of the bottom plate and used for positioning the rubber cylinder body; the pressing device is used for pressing the rubber cylinder body on the bottom plate; the smearing component is arranged on one side of the rubber cylinder body on the bottom plate and used for circumferentially smearing the developer on the periphery of the rubber cylinder body after the rubber cylinder body is pressed down by the pressing device, and when a crack appears on the periphery of the rubber cylinder body due to the fact that the rubber cylinder body is pressed down by the pressing device, the smearing component for circumferentially smearing the developer on the rubber cylinder body is used for enabling the developer to permeate into the crack; when the rubber cylinder body is not pressed down by the pressing equipment, the rubber cylinder body is reset, the crack on the periphery of the rubber cylinder body is retracted and restored, the developer in the crack is extruded, and the developer is displayed on the periphery of the rubber cylinder body.
Preferably, the smearing assembly comprises a first vertical plate, a plurality of first sliding rods are connected to the first vertical plate in a sliding manner, a rubber sheet is fixedly connected to one end, away from the first vertical plate, of each first sliding rod, a first spring is sleeved between the first vertical plate and the rubber sheet, a plurality of hollow brush needles are fixedly connected to one surface, close to the periphery of the rubber cylinder body, of each rubber sheet, and the surfaces of the hollow brush needles are attached to the surface of the rubber cylinder body, so that when the hollow brush needles rotate around the rubber cylinder body, developer is discharged from the hollow brush needles to smear the periphery of the rubber cylinder body.
Further, the hollow brush needle is obliquely arranged.
Further, fixedly connected with supporting ring on the bottom plate, rotationally be connected with the ring gear on the supporting ring, fixedly connected with motor on the bottom plate, fixedly connected with gear on the motor output, the gear meshes with the ring gear mutually, first riser links to each other with the ring gear is fixed.
Preferably, a piston cylinder is fixedly connected to the gear ring, a piston rod with a piston at one end is slidably connected to the piston cylinder, a liquid outlet pipe and a liquid suction pipe are fixedly connected to the piston cylinder respectively, a liquid inlet groove is formed in the rubber sheet, one end, far away from the piston cylinder, of the liquid outlet pipe is fixedly connected with the rubber sheet, the liquid outlet pipe is communicated with the liquid inlet groove, and the hollow brush needle is communicated with the liquid inlet groove.
Further, a fixed ring is fixedly connected to the bottom plate, a plurality of protruding blocks are fixedly connected to the circumference of the inner wall of the fixed ring, a piston on the piston rod is connected with the inner wall of the piston cylinder through a tension spring, and the piston rod corresponds to the protruding blocks on the fixed ring.
Further, a liquid storage cylinder is fixedly connected to the gear ring, and one end, away from the piston cylinder, of the liquid suction pipe is led into the liquid storage cylinder.
Further, fixedly connected with second riser on the ring gear, sliding connection has the second slide bar on the second riser, fixedly connected with rubber scraper blade on the one end that the second slide bar kept away from the second riser, the cover is equipped with the second spring on the second slide bar between rubber scraper blade and the second riser, rubber scraper blade is used for the packing element body to be scraped the brush to the packing element body periphery of smearing when being pushed down by the packing element body.
Further, a slot is formed in the bottom plate, and the slot is used for discharging the developer scraped by the rubber scraper to the lower portion of the bottom plate.
Further, the bottom surface of the bottom plate is provided with a liquid collecting box, and the liquid collecting box corresponds to the groove.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects: according to the invention, when the rubber cylinder body is pressed down by the pressing equipment, the length of the rubber cylinder body is reduced, the diameter is influenced by the pressing force to be increased, at the moment, the smearing assembly rotates around the circumference of the rubber cylinder body to smear the developer on the circumference of the rubber cylinder body, when the rubber cylinder body is pressed down, if the circumference of the rubber cylinder body is cracked when being pressed down, the crack is in a stretched shape, and then the developer can infiltrate into the crack on the circumference of the rubber cylinder body; when the pressing equipment is used for pressing down the rubber cylinder body, the rubber cylinder body starts to reset, the length of the rubber cylinder body is restored, at the moment, the crack is retracted, the opening shape of the crack disappears, and at the moment, the developer in the crack can be extruded out of the crack by the opening shape of the disappeared crack and flows on the periphery of the rubber cylinder body; therefore, after the pressing of the rubber cylinder body is finished, the quality of the rubber cylinder body can be observed by observing the developer overflowed and flowing on the periphery of the rubber cylinder body, and the device can mark the cracks on the surface of the rubber cylinder body according to the quality change of the rubber cylinder body in the pressing test process of the rubber cylinder body by arranging the smearing mechanism, so that the peripheral quality of the rubber cylinder body can be conveniently observed after the test;
When the gear ring rotates, the device drives the piston cylinder to rotate together, one end of a piston rod in the piston cylinder can reciprocate to contact with the convex block on the fixed ring, and when one end of the piston rod contacts with the convex block, one end of the piston rod can be pushed to slide in the piston cylinder, so that developer in the piston cylinder is extruded to be discharged into the hollow brush needle from the liquid outlet pipe; and when the piston rod is not contacted with the convex block, the piston rod is pulled to reset by the tension spring. And sucking the developer into the piston cylinder through the pipette;
In addition, this device still can scrape down from the packing element body with the developer of smearing on packing element body peripheral surface through setting up the rubber scraper blade, this makes when not pushing down the packing element body, can not have the developer to remain in a large scale on the packing element body peripheral surface, but only can show the developer of being extruded in the crack on the packing element body periphery after the packing element body resets the developer in with the crack and extrude, consequently the packing element body peripheral quality of observation that can be better.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic diagram of a rubber scraper and a rubber sheet of a test detection device of an underground packer rubber provided by the invention;
FIG. 2 is a schematic structural view of a fixing ring and a bump of a test detection device for an underground packer rubber;
FIG. 3 is a schematic diagram of a liquid collecting box of a test detection device for an underground packer rubber;
FIG. 4 is a schematic diagram of a casing of a test and detection device for an underground packer rubber;
FIG. 5 is a schematic diagram of the structure of the test and detection device for the downhole packer rubber in FIG. 4A;
FIG. 6 is a schematic diagram of the structure of a gear ring and a gear of a test detection device for an underground packer rubber;
FIG. 7 is a schematic diagram of the structure of the test and detection device of the downhole packer rubber in FIG. 6B;
FIG. 8 is a top view of a test and detection apparatus for an underground packer packing element according to the present invention.
In the figure: 1. a bottom plate; 11. a sleeve column; 12. a rubber cylinder body; 13. a support ring; 14. a gear ring; 15. a motor; 151. a gear; 16. a first vertical plate; 161. a first slide bar; 162. a first spring; 163. a rubber sheet; 164. a hollow brush needle; 1641. a liquid inlet tank; 165. a piston cylinder; 166. a piston rod; 167. a tension spring; 168. a liquid outlet pipe; 169. a pipette; 1691. a liquid storage cylinder; 1601. a fixing ring; 1602. a bump; 17. a second vertical plate; 171. a second slide bar; 172. a second spring; 173. a rubber scraper; 174. slotting; 175. a liquid collecting box; 2. and pressing down the equipment.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
Example 1:
Referring to fig. 1-8, a test detection device for a downhole packer rubber, comprising a bottom plate 1, further comprising: the sleeve column 11 is fixedly connected to the upper surface of the bottom plate 1, and the sleeve column 11 is used for positioning the rubber cylinder body 12; the pressing device 2 is used for pressing the rubber cylinder body 12 on the bottom plate 1; the smearing component is arranged on one side of the rubber cylinder body 12 on the bottom plate 1 and is used for circumferentially smearing the developer on the periphery of the rubber cylinder body 12 after the rubber cylinder body 12 is pressed down by the pressing device 2, and when the rubber cylinder body 12 is pressed down by the pressing device 2 and a crack appears on the periphery of the rubber cylinder body 12, the smearing component for circumferentially smearing the developer on the rubber cylinder body 12 is used for enabling the developer to permeate into the crack; when the rubber cylinder body 12 is not pressed down by the pressing device 2, the rubber cylinder body 12 is reset, the crack on the periphery of the rubber cylinder body 12 is retracted and restored, and the developer in the crack is extruded and appears on the periphery of the rubber cylinder body 12;
When the device is used, the rubber cylinder body 12 is sleeved on the sleeve column 11 of the bottom plate 1, and then the rubber cylinder body 12 on the sleeve column 11 is pressed down by starting the pressing equipment 2;
the pressing device 2 is a cylinder, a hydraulic rod or an oil press;
When the rubber cylinder body 12 is pressed down by the pressing device 2, the length of the rubber cylinder body 12 is reduced, the diameter is influenced by the pressing force to be increased, at the moment, the coating assembly rotates around the circumference of the rubber cylinder body 12 to coat the developer on the periphery of the rubber cylinder body 12, when the rubber cylinder body 12 is pressed down, if the periphery of the rubber cylinder body 12 is cracked when pressed down, the crack is open, and then the developer can permeate into the crack on the periphery of the rubber cylinder body 12;
The downward pressing device 2 cancels the downward pressing of the rubber cylinder body 12, the rubber cylinder body 12 starts to reset, the length is restored, at the moment, the crack is retracted, the opening shape of the crack disappears, and at the moment, the developer in the crack can be extruded out of the crack by the opening shape of the disappeared crack and flows on the periphery of the rubber cylinder body 12;
Therefore, after the rubber cylinder body 12 is pressed down, the developer overflowed and flows on the periphery of the rubber cylinder body 12 is observed, so that the quality of the rubber cylinder body 12 can be observed, and the device can mark cracks on the surface of the rubber cylinder body 12 according to the quality change of the rubber cylinder body 12 in the pressing test process of the rubber cylinder body 12 by arranging the smearing mechanism, so that the quality of the periphery of the rubber cylinder body 12 is conveniently observed after the test.
Referring to fig. 1,5,7 and 8, the smearing component comprises a first vertical plate 16, a plurality of first sliding rods 161 are connected to the first vertical plate 16 in a sliding manner, a rubber sheet 163 is fixedly connected to one end of the first sliding rods 161 far away from the first vertical plate 16, a first spring 162 is sleeved between the first vertical plate 16 and the rubber sheet 163, a plurality of hollow brush needles 164 are fixedly connected to one surface of the rubber sheet 163 close to the periphery of the rubber cylinder body 12, the hollow brush needles 164 are adhered to the surface of the rubber cylinder body 12, and when the hollow brush needles 164 rotate around the rubber cylinder body 12, developer is discharged from the hollow brush needles 164 to smear the periphery of the rubber cylinder body 12;
When the first vertical plate 16 and the rubber sheet 163 rotate around the rubber cylinder body 12, the developer is discharged from the hollow brush needles 164 on the rubber sheet 163 and smeared on the periphery of the rubber cylinder body 12;
The rubber sheet 163 has certain flexibility, so when the rubber cylinder body 12 is pressed down to deform, the hollow brush needles 164 on the rubber sheet 163 can still be attached to the periphery of the rubber cylinder body 12, and the hollow brush needles 164 can uniformly smear the periphery of the rubber cylinder body 12;
meanwhile, by arranging the first spring 162, the rubber sheet 163 can be more attached to the rubber cylinder body 12;
It should be understood that the sliding slot gap at the communication position of the first sliding rod 161 and the first vertical plate 16 is larger, so that the position change when the rubber sheet 163 is attached to the rubber cylinder body 12 can be satisfied.
Referring to fig. 5, the hollow brush needles 164 are disposed in an inclined manner;
By the inclined arrangement, the developer in the hollow brush pin 164 can be easily discharged onto the outer periphery of the packing element body 12.
Referring to fig. 1, a support ring 13 is fixedly connected to a base plate 1, a gear ring 14 is rotatably connected to the support ring 13, a motor 15 is fixedly connected to the base plate 1, a gear 151 is fixedly connected to an output end of the motor 15, the gear 151 is meshed with the gear ring 14, and a first vertical plate 16 is fixedly connected with the gear ring 14;
Through the work of motor 15, drive ring gear 14 is rotatory, can be convenient for drive first riser 16 around the circumference rotation of packing element body 12.
Referring to fig. 7 and 8, a piston cylinder 165 is fixedly connected to the gear ring 14, a piston rod 166 with a piston at one end is slidably connected to the piston cylinder 165, a liquid outlet pipe 168 and a liquid suction pipe 169 are fixedly connected to the piston cylinder 165, a liquid inlet groove 1641 is formed in the rubber sheet 163, one end, away from the piston cylinder 165, of the liquid outlet pipe 168 is fixedly connected with the rubber sheet 163, the liquid outlet pipe 168 is communicated with the liquid inlet groove 1641, and the hollow brush needle 164 is communicated with the liquid inlet groove 1641;
By providing the piston cylinder 165, the developer can be replenished into the hollow brush pin 164 when the hollow brush pin 164 rotates around the rubber cylinder body 12;
the developer is a viscous liquid with color, which is convenient for developing on the rubber cylinder body 12.
Referring to fig. 8, a fixing ring 1601 is fixedly connected to the base plate 1, a plurality of protrusions 1602 are fixedly connected to the circumference of the inner wall of the fixing ring 1601, the piston on the piston rod 166 is connected to the inner wall of the piston cylinder 165 through a tension spring 167, and the piston rod 166 corresponds to the protrusions 1602 on the fixing ring 1601;
when the gear ring 14 rotates, the piston cylinder 165 is driven to rotate together, one end of the piston rod 166 in the piston cylinder 165 is in reciprocating contact with the protrusion 1602 on the fixing ring 1601, and when one end of the piston rod 166 is in contact with the protrusion 1602, one end of the piston rod 166 is pushed to slide in the piston cylinder 165, so that the developer in the piston cylinder 165 is extruded to be discharged from the liquid outlet pipe 168 into the hollow brush needle 164;
And when the piston rod 166 is not in contact with the projection 1602, the piston rod 166 is pulled to reset by the tension spring 167. And draws developer into the piston cartridge 165 through the pipette 169.
Referring to fig. 8, the gear ring 14 is fixedly connected with a liquid storage cylinder 1691, and one end of the liquid suction pipe 169, which is far away from the piston cylinder 165, is led into the liquid storage cylinder 1691.
Example 2:
Referring to fig. 1-8, a test detection device for a downhole packer rubber, comprising a bottom plate 1, further comprising: the sleeve column 11 is fixedly connected to the upper surface of the bottom plate 1, and the sleeve column 11 is used for positioning the rubber cylinder body 12; the pressing device 2 is used for pressing the rubber cylinder body 12 on the bottom plate 1; the smearing component is arranged on one side of the rubber cylinder body 12 on the bottom plate 1 and is used for circumferentially smearing the developer on the periphery of the rubber cylinder body 12 after the rubber cylinder body 12 is pressed down by the pressing device 2, and when the rubber cylinder body 12 is pressed down by the pressing device 2 and a crack appears on the periphery of the rubber cylinder body 12, the smearing component for circumferentially smearing the developer on the rubber cylinder body 12 is used for enabling the developer to permeate into the crack; when the rubber cylinder body 12 is not pressed down by the pressing device 2, the rubber cylinder body 12 is reset, the crack on the periphery of the rubber cylinder body 12 is retracted and restored, and the developer in the crack is extruded and appears on the periphery of the rubber cylinder body 12;
The smearing assembly comprises a first vertical plate 16, a plurality of first sliding rods 161 are connected to the first vertical plate 16 in a sliding manner, a rubber sheet 163 is fixedly connected to one end, far away from the first vertical plate 16, of the first sliding rods 161, a first spring 162 is sleeved between the first vertical plate 16 and the rubber sheet 163, a plurality of hollow brush needles 164 are fixedly connected to one surface, close to the periphery of the rubber cylinder body 12, of the rubber sheet 163, and the hollow brush needles 164 are adhered to the surface of the rubber cylinder body 12 so as to smear the periphery of the rubber cylinder body 12 by discharging developer in the hollow brush needles 164 when the hollow brush needles 164 rotate around the rubber cylinder body 12;
The hollow brush needle 164 is arranged obliquely;
The bottom plate 1 is fixedly connected with a supporting ring 13, the supporting ring 13 is rotationally connected with a gear ring 14, the bottom plate 1 is fixedly connected with a motor 15, the output end of the motor 15 is fixedly connected with a gear 151, the gear 151 is meshed with the gear ring 14, the first vertical plate 16 is fixedly connected with the gear ring 14,
Further, it is: referring to fig. 1 and 8, a second vertical plate 17 is fixedly connected to the gear ring 14, a second sliding rod 171 is slidably connected to the second vertical plate 17, a rubber scraper 173 is fixedly connected to one end of the second sliding rod 171 away from the second vertical plate 17, a second spring 172 is sleeved on the second sliding rod 171 between the rubber scraper 173 and the second vertical plate 17, and the rubber scraper 173 is used for scraping the periphery of the rubber cylinder body 12 coated with developer when the rubber cylinder body 12 is pressed down;
when the gear ring 14 rotates, the hollow brush needles 164 on the rubber sheet 163 smear the outer periphery of the rubber body 12, so that the developer in the cracks of the rubber body 12 can better appear on the outer periphery of the rubber body 12 when the rubber body 12 is not pressed down;
This device can scrape down from the packing element body 12 the developer of smearing on packing element body 12 peripheral surface through setting up rubber scraper 173, this makes when not pushing down packing element body 12, can not have the developer to remain in a large scale on the packing element body 12 peripheral surface, but only can show the developer of being extruded in the crack on packing element body 12 periphery after packing element body 12 resets the developer in will crack and extrude, consequently the packing element body 12 peripheral quality of observation that can be better.
The bottom plate 1 is provided with a slot 174 for discharging the developer scraped by the rubber scraper 173 below the bottom plate 1, the bottom surface of the bottom plate 1 is provided with a liquid collecting box 175, and the liquid collecting box 175 corresponds to the slot 174 and is used for collecting the developer flowing down from the slot 174, so that the developer is convenient to recycle;
The liquid collecting box 175 is connected with the bottom plate 1 in a magnetic attraction mode, and is convenient to take.
According to the invention, after the rubber cylinder body 12 is pressed down by the pressing device 2, the smearing assembly rotates around the periphery of the rubber cylinder body 12 to smear the developer on the periphery of the rubber cylinder body 12, when the rubber cylinder body 12 is pressed down, if the periphery of the rubber cylinder body 12 is cracked when the rubber cylinder body 12 is pressed down, the developer can permeate into the crack of the periphery of the rubber cylinder body 12, the pressing device 2 cancels the pressing of the rubber cylinder body 12, the rubber cylinder body 12 starts to reset, the length is restored to be original, the crack is retracted at the moment, the opening of the crack disappears, the developer in the crack can be extruded out of the crack by the opening of the crack and flows out of the crack on the periphery of the rubber cylinder body 12, and the quality of the rubber cylinder body 12 can be observed when the periphery of the rubber cylinder body 12 is pressed down, so that the device can observe the quality of the rubber cylinder body 12 according to the quality change of the rubber cylinder body 12 in the pressing test process, the quality of the rubber cylinder body 12 is marked on the surface of the rubber cylinder body 12, and the periphery of the rubber cylinder 12 is convenient to observe after the test.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (6)
1. The utility model provides a test detection device of packer packing element in pit, includes bottom plate (1), its characterized in that still includes:
the sleeve column (11) is fixedly connected to the upper surface of the bottom plate (1), and the sleeve column (11) is used for positioning the rubber cylinder body (12);
The pressing device (2) is used for pressing the rubber cylinder body (12) on the bottom plate (1);
the smearing component is arranged on one side of the rubber cylinder body (12) on the bottom plate (1) and is used for smearing developer on the circumference of the rubber cylinder body (12) after the rubber cylinder body (12) is pressed down by the pressing equipment (2),
When the rubber cylinder body (12) is pressed down by the pressing equipment (2) and a crack appears on the periphery of the rubber cylinder body (12), a coating assembly for circumferentially coating the rubber cylinder body (12) with the developer is carried out, so that the developer permeates into the crack;
When the rubber cylinder body (12) is not pressed down by the pressing equipment (2), the rubber cylinder body (12) is reset, a crack on the periphery of the rubber cylinder body (12) is retracted and restored, and the developer in the crack is extruded and is displayed on the periphery of the rubber cylinder body (12);
The smearing assembly comprises a first vertical plate (16), a plurality of first sliding rods (161) are connected to the first vertical plate (16) in a sliding manner, a rubber sheet (163) is fixedly connected to one end, far away from the first vertical plate (16), of each first sliding rod (161), a first spring (162) is sleeved between the first vertical plate (16) and the rubber sheet (163), a plurality of hollow brush needles (164) are fixedly connected to one surface, close to the periphery of the rubber cylinder body (12), of each rubber sheet (163), the hollow brush needles (164) are attached to the surface of the rubber cylinder body (12) and used for smearing the periphery of the rubber cylinder body (12) through developer discharged in the hollow brush needles (164) when the hollow brush needles (164) rotate around the rubber cylinder body (12);
the hollow brush needle (164) is obliquely arranged;
The novel gear comprises a base plate (1), a supporting ring (13) is fixedly connected to the base plate (1), a gear ring (14) is rotationally connected to the supporting ring (13), a motor (15) is fixedly connected to the base plate (1), a gear (151) is fixedly connected to the output end of the motor (15), the gear (151) is meshed with the gear ring (14), and a first vertical plate (16) is fixedly connected with the gear ring (14);
Fixedly connected with second riser (17) on ring gear (14), sliding connection has second slide bar (171) on second riser (17), fixedly connected with rubber scraper blade (173) on the one end that second riser (17) were kept away from to second slide bar (171), the cover is equipped with second spring (172) on second slide bar (171) between rubber scraper blade (173) and second riser (17), rubber scraper blade (173) are used for rubber cylinder body (12) to be smeared when being pushed down rubber cylinder body (12) periphery of developer is scraped.
2. The device for testing and detecting the rubber sleeve of the downhole packer according to claim 1, wherein the gear ring (14) is fixedly connected with a piston sleeve (165), a piston rod (166) with a piston at one end is slidably connected in the piston sleeve (165), a liquid outlet pipe (168) and a liquid suction pipe (169) are fixedly connected to the piston sleeve (165) respectively, a liquid inlet groove (1641) is formed in the rubber sheet (163), one end, far away from the piston sleeve (165), of the liquid outlet pipe (168) is fixedly connected with the rubber sheet (163), the liquid outlet pipe (168) is communicated with the liquid inlet groove (1641), and the hollow brush needle (164) is communicated with the liquid inlet groove (1641).
3. The device for testing and detecting the rubber sleeve of the downhole packer according to claim 2, wherein a fixed ring (1601) is fixedly connected to the bottom plate (1), a plurality of protruding blocks (1602) are fixedly connected to the inner wall of the fixed ring (1601), a piston on the piston rod (166) is connected with the inner wall of the piston sleeve (165) through a tension spring (167), and the piston rod (166) corresponds to the protruding blocks (1602) on the fixed ring (1601).
4. A downhole packer packing element testing and detecting device according to claim 3, characterized in that the gear ring (14) is fixedly connected with a liquid storage tube (1691), and one end of the liquid suction tube (169) far away from the piston tube (165) is led into the liquid storage tube (1691).
5. The device for testing and detecting the rubber sleeve of the downhole packer according to claim 1, wherein the bottom plate (1) is provided with a slot (174) for discharging the developer scraped by the rubber scraper (173) to the lower part of the bottom plate (1).
6. The device for testing and detecting the downhole packer rubber according to claim 5, wherein a liquid collecting box (175) is arranged on the bottom surface of the bottom plate (1), and the liquid collecting box (175) corresponds to the groove (174).
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| US20020000128A1 (en) * | 1999-10-15 | 2002-01-03 | Mark D. Williams | Fracture detection coating system |
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| CN117871278A (en) | 2024-04-12 |
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